Is Temple Plant a Good Plant for Freshwater Flounder?

Reviewed by Guidarium Editorial DeskUpdated May 6, 2026

Not Recommended

Temple Plant is not recommended for Freshwater Flounder. The issue is practical, not cosmetic: they are adapted to different water types.

Temple Plant

Hygrophila corymbosa

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PlacementMidground

LightModerate

DifficultyBeginner

Size50 × 15 cm

Freshwater Flounder

Trinectes maculatus

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TemperamentPeaceful

FamilyOddballs

Temp20–26°C

Water TypeBrackish Required

Quick Decision

A plant can be technically compatible with a fish and still fail in the actual tank if the fish digs, chews, needs denser cover, or uses a different part of the layout.

Overall fit

56/100

The fish is likely to outgrow, uproot, or out-pressure the plant.

Water match

Limited overlap

One or more core water ranges does not overlap cleanly.

Plant pressure

Moderate

Temple Plant needs thoughtful placement and anchoring.

Layout value

High cover

Temple Plant helps with breaks lines of sight, useful spawning site, and good refuge for fry.

Plant and Fish Fit Notes

Use these signals to decide whether the plant is doing useful work for the fish, or whether it is only surviving beside it.

FactorTemple PlantFreshwater Flounder

Temperature

Temple Plant20-28°C

Freshwater Flounder20-26°C

Overlap: 20-26°C.

Temple Plant6-7.5

Freshwater Flounder7.5-8.5

Overlap: pH 7.5-7.5.

Hardness

Temple Plant2-15 dGH

Freshwater Flounder10-25 dGH

Overlap: 10-15 dGH.

Water and flow

Temple PlantFreshwater Only, Moderate (Standard)

Freshwater FlounderBrackish Required, Moderate (Standard)

Flow expectations are close enough for one layout.

Space used

Temple PlantMidground and Background

Freshwater FlounderBottom (Substrate)

Pressure signals

Temple PlantModerate uproot resistance, Standard leaves

Freshwater FlounderPeaceful, Nocturnal, Digger (Disturbs Substrate), and Shy / Slow Moving (Easily Stressed)

Plant pressure: Moderate.

Planting value

Temple PlantBreaks lines of sight, Useful spawning site, and Good refuge for fry, Inert substrate is fine

Freshwater FlounderSand (Sifters)

Shared Tank Conditions

Temple Plant and Freshwater Flounder do not share a clean environmental window, so the pairing is already under pressure before behaviour is even considered.

Both do best with moderate flow, so circulation does not need to be split into competing zones.

Water type is a serious mismatch: Temple Plant is listed for freshwater, while Freshwater Flounder is listed for brackish water.

Fish Pressure and Plant Resilience

Freshwater Flounder can still be rough on plants, but this pairing becomes more realistic when the plant is anchored well and used as part of a larger layout.

Temple Plant has high cover density, moderate uproot resistance, and standard leaves. It can also help with breaking up sight lines, spawning sites, and fry refuge.

It gives Freshwater Flounder useful visual shelter and line-of-sight breaks.

The limiting issue is they are adapted to different water types.

Layout Fit

Temple Plant is a stem plant usually used midground and background.

Freshwater Flounder is an oddball fish, so the pairing works best when the planting style supports how that fish uses space and cover.

Temple Plant reaches about 50 cm tall by 15 cm wide and is usually rooted in substrate with inert substrate is fine. That makes placement and anchoring more important than simply adding a larger bunch of stems or leaves.

In this pairing, the useful plant values are line-of-sight breaks, spawning sites, and fry refuge. Place it where Freshwater Flounder can actually use that structure instead of hiding the plant where it cannot do much.

Practical Recommendation

For most keepers, a tougher or better-matched plant is the smarter choice. If you still try it, test with a small amount first and be ready to move the plant before it is badly damaged.

The decision should center on this signal: They are adapted to different water types.

Best Use Case

Temple Plant is usually the wrong plant for Freshwater Flounder if your goal is a stable display tank. The issue is rarely one dramatic failure on day one; it is the steady mismatch between what the fish does in the scape and what the plant needs to stay attractive long term.